Table 1.
Baseline Characteristics (n=116)
| Demographics | |
| Age (years; mean ± standard deviation) | 29.1 ± 6.9 |
| Marital Status (% Never Married) | 75.1% |
| Education (% ≤ Some College) | 33.9% |
| Income (% ≤ $20,000) | 63.2% |
| Race (% white) | 56.5% |
| Smoking Behavior | |
| Cigarettes per Day (mean ± standard deviation) | 12.3 ± 5.5 |
| Smoking within 30 minutes of waking (%) | 35.3% |
| FTND Score(mean ± standard deviation)1 | 3.8 ± 2.1 |
| Cortisol Values | |
| Follicular Phase – Waking Value (mean ± standard deviation) | 28.32 ±13.45 ng/mL* |
| Follicular Phase – Diurnal Change2 (mean ± standard deviation) | 15.02 ± 15.05 ng/mL** |
| Luteal Phase – Waking Value (mean ± standard deviation) | 29.02 ± 16.48 ng/mL* |
| Luteal Phase – Diurnal Change2 (mean ± standard deviation) | 14.38 ± 17.15 ng/mL** |
1
Fagerstrom Test for Nicotine Dependence (Heatherton et al, 1991)
2
Calculated by subtracting waking value from nadir (8pm) value.
*
Paired t-test: p=0.907
**
Paired t-test: p=0.142